PE khob ntawv yog ib qho tshiab thiab eco-phooj ywg rau lwm lub khob yas. Nws yog tsim los ntawm ib hom ntawv tshwj xeeb uas yog coated nrog ib txheej nyias ntawm polyethylene, ua rau nws tsis muaj dej tsis zoo thiab zoo tagnrho rau siv los ua lub khob pov tseg. Txoj kev loj hlob ntawm PE khob ntawv tau ntev thiab txaus nyiam taug kev nrog ntau yam kev sib tw thiab kev ua tiav ntawm txoj kev.
Cov keeb kwm ntawm PE khob ntawv tuaj yeem taug qab rov qab mus rau xyoo 1900s thaum ntxov, thaum lub khob ntawv tau qhia thawj zaug raws li kev huv thiab yooj yim rau cov khob iav los yog iav. Txawm li cas los xij, cov khob ntawv thaum ntxov no tsis muaj zog heev thiab muaj lub siab nyiam los yog tawg thaum ntim cov kua kub. Qhov no tau ua rau muaj kev txhim kho ntawm cov ntaub ntawv siv quav ciab hauv xyoo 1930s, uas tiv taus dej ntau dua thiab kub.
Nyob rau xyoo 1950, polyethylene tau xub pib ua cov khoom siv rau cov khob ntawv. Qhov no tso cai rau kev tsim cov khob uas tsis muaj dej tsis muaj dej, tiv taus cua sov, thiab ntau tus phooj ywg ib puag ncig dua li cov khob siv quav ciab. Txawm li cas los xij, nws tsis yog txog thaum xyoo 1980 uas cov thev naus laus zis thiab kev tsim khoom tsim nyog rau kev tsim PE khob ntawv rau ntawm qhov loj me tau tsim tiav.
Ib qho ntawm cov teeb meem tseem ceeb hauv kev tsim PE khob ntawv yog nrhiav qhov sib npaug ntawm lub zog thiab kev hloov pauv. Daim ntawv xav tau kom muaj zog txaus los tuav cov kua dej tsis muaj dej los yog tawg, tab sis kuj hloov tau yooj yim los ua kom zoo li lub khob tsis muaj kua muag. Lwm qhov kev sib tw yog nrhiav cov khoom siv raw uas xav tau los tsim PE khob ntawv hauv ntau qhov ntau. Qhov no yuav tsum muaj kev koom tes ntawm cov ntawv zeb, cov tuam txhab yas, thiab cov neeg tsim khoom khob.
Txawm hais tias muaj kev cov nyom no, qhov kev thov rau eco-phooj ywg thiab kev hloov pauv hloov mus rau cov khob yas ib txwm muaj txuas ntxiv mus rau xyoo tas los no. PE khob ntawv tam sim no tau siv dav hauv cov khw kas fes, cov khoom noj ceev ceev, thiab lwm yam kev lag luam khoom noj khoom haus raws li kev xaiv ib puag ncig zoo dua. Nws kuj tseem nrov ntawm cov neeg siv khoom uas txhawj xeeb txog qhov cuam tshuam ntawm cov pov tseg yas rau ib puag ncig.
Nyob rau hauv xaus, txoj kev loj hlob ntawm PE khob ntawv yog ib tug ntev thiab fascinating taug kev uas yuav tsum tau ntau xyoo ntawm kev tshawb fawb thiab kev loj hlob. Txawm li cas los xij, qhov kawg tshwm sim yog ib yam khoom uas yog ob qho tib si ib puag ncig thiab kev lag luam. Raws li cov neeg siv khoom xav tau rau cov khoom lag luam eco-phooj ywg txuas ntxiv mus ntxiv, nws zoo li peb yuav pom kev nce qib ntxiv hauv kev txhim kho thiab tsim cov khoom ntsuab xws li PE khob ntawv.
Post lub sij hawm: Apr-21-2023